Finding the Fourth Proportional to 6,422,462.70, 8,854,424.48 and 5,102,266.79
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Solution
The fourth proportional to 6,422,462.70, 8,854,424.48 and 5,102,266.79 is: 7,034,316.59
Step by Step Solution
- Step 1: Write the proportion equation
6,422,462.70 : 8,854,424.48 = 5,102,266.79 : x - Step 2: Convert to fraction form
6,422,462.70/8,854,424.48 = 5,102,266.79/x - Step 3: Cross multiply
6,422,462.70x = 8,854,424.48 × 5,102,266.79 - Step 4: Simplify right side
6,422,462.70x = 45,177,635,899,083.56 - Step 5: Solve for x
x = 45,177,635,899,083.56/6,422,462.70 - Step 6: Final answer
x = 7,034,316.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.